Spindle blade connecting structure of roving flyer
By using a ball bearing and return spring linkage design within the spindle and a tapered head automatic alignment connection structure, the problems of long connection time and loosening in traditional spindles are solved, achieving rapid and accurate alignment and seamless connection of the yarn channel, thus improving yarn quality and equipment stability.
Patent Information
- Application Number
- CN202520365494.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional spindle connection methods are time-consuming to operate when yarn breaks, making them difficult to adapt to the needs of high-speed production. Furthermore, loosening can easily lead to misalignment of the yarn guide channel, increasing the risk of yarn hairiness and breakage.
It adopts a quick locking mechanism that links the ball bearings and return spring inside the spindle, combined with the automatic centering design of the conical head and spring, to achieve one-click locking of the spindle and connecting tube and seamless connection of the yarn channel.
It enables rapid and precise alignment and connection of the spindles, reduces operation time and yarn wear rate, and improves equipment operation stability and yarn quality.
Smart Images
Figure CN223866864U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to textile fittings technical field, concretely relates to a spindle connecting structure of roving spindle wing. BACKGROUND
[0002] In the roving machine spinning process, the spindle of the spindle wing and the connecting structure of the roving machine directly affect the equipment operation stability and yarn quality. The traditional spindle connecting mode adopts thread fastening or pin positioning, which has certain defects. When the yarn is broken, the spindle wing needs to be disassembled and connected with the yarn. However, in the existing spindle connecting mode, the thread connection needs to be rotated for many times, the pin positioning needs to be accurately aligned, the operation time is long, and it is difficult to adapt to the high-speed production demand. In addition, the thread connection is easy to loosen due to high-speed rotation, which causes the yarn guide channel to be misaligned and causes the yarn hairiness to increase or even yarn breakage. CONTENT OF THE UTILITY MODEL
[0003] I. Technical problems to be solved
[0004] The utility model aims at providing a spindle connecting structure of roving spindle wing, which can realize the quick and accurate alignment of the spindle.
[0005] Technical scheme
[0006] The utility model realizes the following technical scheme:
[0007] The utility model provides a spindle connecting structure of roving spindle wing, which comprises a spindle wing and a connecting pipe. The spindle wing comprises a spindle and a balance rod and a yarn guide rod connected to the two sides of the spindle. The yarn guide rod and the spindle are provided with a communicating yarn guide channel. The utility model is characterized in that,
[0008] The spindle is provided with a containing cavity and a connecting cavity. A plurality of ball cavities are formed in the inner wall of the connecting cavity in the circumferential direction. Each ball cavity contains a ball. The containing cavity is provided with a first yarn guide pipe capable of moving in the axial direction.
[0009] The spindle is externally provided with a movable sleeve. The inner wall of the movable sleeve is provided with a reset groove and a retreat groove. The outer wall of the spindle is provided with a protruding limiting flange. A reset spring is provided on the outer wall of the spindle. The two ends of the reset spring are fixedly connected with the inner bottom of the reset groove and the limiting flange.
[0010] The outer wall of the connecting pipe is provided with a limiting groove. The connecting pipe is provided with a second yarn guide pipe capable of moving in the axial direction. The first yarn guide pipe and the second yarn guide pipe are coaxially opposite.
[0011] When the movable sleeve slides to the position that the retreat groove is opposite to the ball cavity, the ball can be touched by the outer wall of the connecting pipe and enter the retreat groove, and when the connecting pipe is inserted into the connecting cavity until the ball cavity is opposite to the limiting groove, the ball can be touched by the inner wall of the movable sleeve and embed into the limiting groove.
[0012] Further, the distal ends of the accommodating cavity and the connecting pipe are provided with step surfaces, and the proximal ends are provided with tapered surfaces; the first guide tube and the second guide tube are provided with tapered heads on the opposite sides, and the outer walls of the tapered heads can be matched with the tapered surfaces; the accommodating cavity and the connecting pipe are respectively provided with first springs and second springs which are in contact with the step surfaces; and the first spring and the second spring respectively hinder the first guide tube and the second guide tube from approaching each other.
[0013] Further, the tapered head of the first guide tube is connected with the first spring through a first connecting frame, and the tapered head of the second guide tube is connected with the second spring through a second connecting frame.
[0014] Further, an arc-shaped groove is formed on the outer side of the spindle near the end portion, and a limiting rubber ring is embedded in the arc-shaped groove, which limits the movement gap of the ball in the retreat groove.
[0015] Further, a transition chamfer is arranged on the inner side of the retreat groove.
[0016] Further, the tapered heads of the first guide tube and the second guide tube respectively extend to the outside of the accommodating cavity and the connecting pipe. Beneficial effects
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] The utility model discloses through the linkage of movable sleeve and reset spring, and the movable sleeve can be released ball, and the lock is released after inserting the connecting pipe, and the one-key type locking mechanism of spindle and connecting pipe is completed, the fast and accurate alignment connection of spindle is realized.
[0019] The ball is automatically homed along the transition chamfer under the action of the reset spring, and the risk of jamming is avoided.
[0020] The tapered heads of the first guide tube and the second guide tube are matched with the tapered surfaces, the automatic centering under the axial pressure is realized, the seamless connection of the yarn channel is ensured, and the yarn abrasion rate is reduced. DRAWINGS
[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0022] Figure 2 It is the middle section view of Figure 1
[0023] Figure 3 is Figure 2 a partial enlarged view of part A in figure 1;
[0024] Figure 4 is Figure 3 a partial enlarged view of part B in figure 1;
[0025] 1, flyer; 1a, spindle; 1a1, accommodating cavity; 1a2, connecting cavity; 1a3, ball cavity; 1a4, limiting flange; 1a5, arc-shaped groove; 1b, balance bar; 1c, guide bar; 2, connecting pipe; 21, limiting groove; 3, guide channel; 4, ball; 5, first guide pipe; 6, movable sleeve; 61, reset slot; 62, retraction slot; 621, transition chamfer; 7, reset spring; 8, second guide pipe; 9, first spring; 10, second spring; 11, first connecting frame; 12, second connecting frame; 13, limiting rubber ring. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0027] A spindle connecting structure of a roving flyer, please refer to Figures 1-4 , including a flyer 1 and a connecting pipe 2 connected to the flyer 1, wherein the flyer 1 includes a spindle 1a and balance bars 1b and guide bars 1c connected to both sides of the spindle 1a; the guide bars 1c and the spindle 1a are provided with a communication guide channel 3, and the yarn is twisted through the guide channel 3.
[0028] The spindle 1a is provided with an accommodating cavity 1a1 and a connecting cavity 1a2, the connecting cavity 1a2 is provided with a plurality of ball cavities 1a3 on the inner wall in the circumferential direction, each ball cavity 1a3 contains a ball 4, the ball 4 can move in the radial direction to the outside of the ball cavity 1a3, and the accommodating cavity 1a1 is provided with a first guide pipe 5 capable of moving in the axial direction;
[0029] The spindle 1a is provided with an accommodating cavity 1a1 and a connecting cavity 1a2, the connecting cavity 1a2 is provided with a plurality of ball cavities 1a3 on the inner wall in the circumferential direction, each ball cavity 1a3 contains a ball 4, the ball 4 can move in the radial direction to the outside of the ball cavity 1a3, and the accommodating cavity 1a1 is provided with a first guide pipe 5 capable of moving in the axial direction;
[0030] The arc-shaped slot 1a5 is inlaid with a limiting rubber ring 13, and the limiting rubber ring 13 limits the movement gap of the ball 4 in the retraction slot 62. The retraction slot 62 is provided with a transition chamfer 621 on the inner side. When the movable sleeve 6 is loosened, the ball 4 moves along the transition chamfer 621 and moves to the inside of the ball cavity 1a3 under the elastic force of the reset spring 7, and the limiting rubber ring 13 abuts on the ball 4 to press the ball 4 to the inside of the ball cavity 1a3.
[0031] A limiting slot 21 is arranged on the outer wall of the connecting pipe 2, preferably, the limiting slot 21 is a semispherical slot capable of embedding the head of the ball 4, forming a radial lock; the connecting pipe 2 is provided with a second guide tube 8 capable of moving in the axial direction, the first guide tube 5 and the second guide tube 8 are coaxial and opposite to each other;
[0032] Specifically, the distal ends of the accommodation cavity 1a1 and the connecting pipe 2 are respectively provided with a step surface, and the proximal ends are respectively provided with a conical surface. The first guide tube 5 and the second guide tube 8 are respectively provided with a conical head on the opposite side, and the outer wall of the conical head can be matched with the conical surface, so as to realize automatic centering under the axial pressure, and the axis offset is less than or equal to 0.05 mm. The accommodation cavity 1a1 and the connecting pipe 2 are respectively provided with a first spring 9 and a second spring 10 abutting on the step surface. The conical head of the first guide tube 5 is connected with the first spring 9 through a first connecting frame 11, and the conical head of the second guide tube 8 is connected with the second spring 10 through a second connecting frame 12. The first spring 9 and the second spring 10 respectively hinder the first guide tube 5 and the second guide tube 8 from approaching each other. The first spring 9 and the second spring 10 provide a continuous thrust through the connecting frame, so that the head of the guide tube is tightly matched, the yarn channel is seamlessly connected, and the yarn wear rate is reduced by 30%.
[0033] The conical heads of the first guide tube 5 and the second guide tube 8 respectively extend to the outside of the accommodation cavity 1a1 and the connecting pipe 2. When the connecting pipe 2 extends into the connecting cavity 1a2, the heads of the first guide tube 5 and the second guide tube 8 contact and abut each other, and the internal pipes of the two are connected, so that the yarn can pass through completely.
[0034] In use, the movable sleeve 6 is pulled to compress the reset spring 7, the movable sleeve 6 is slid to the retraction slot 62 opposite to the ball cavity 1a3, the connecting pipe 2 is inserted into the connecting cavity 1a2, and the outer wall of the connecting pipe 2 abuts the ball 4 to make the ball 4 enter the retraction slot 62. The first guide tube 5 and the second guide tube 8 abut and connect when the connecting pipe 2 is continuously inserted. When the connecting pipe 2 moves to the position where the ball cavity 1a3 is opposite to the limiting slot 21, the movable sleeve 6 is loosened, the ball 4 moves to the ball cavity 1a3 along the transition chamfer 621 under the action of the reset spring 7, and the ball 4 moves to be embedded in the limiting slot 21, so that the connecting pipe 2 and the spindle 1a are quickly connected.
[0035] The above-described embodiments are merely preferred embodiments of the present application, and are not intended to limit the concept and scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design concept of the present application shall fall within the protection scope of the present application, and the technical content of the present application claimed for protection has been entirely recorded in the claims.
Claims
1. A spindle rod connection structure for a roving spindle, comprising a spindle (1) and a connecting tube (2), wherein the spindle (1) comprises a spindle rod (1a) and a balance rod (1b) and a yarn guide rod (1c) connected to opposite sides of the spindle rod (1a); wherein the yarn guide rod (1c) and the spindle rod (1a) are provided with a communicating yarn guide channel (3), characterized in that, The spindle (1a) is provided with a receiving cavity (1a1) and a connecting cavity (1a2). The connecting cavity (1a2) has several ball cavities (1a3) circumferentially opened on its inner wall. Each ball cavity (1a3) contains a ball (4). The receiving cavity (1a1) is provided with a first yarn guide tube (5) that can move along the axial direction. The spindle (1a) is fitted with a movable sleeve (6), and the inner wall of the movable sleeve (6) is provided with a reset groove (61) and a retraction groove (62); the outer wall of the spindle (1a) has a protruding limiting flange (1a4), and a reset spring (7) is fitted on the outer wall of the spindle (1a). The two ends of the reset spring (7) are fixedly connected to the inner bottom of the reset groove (61) and the limiting flange (1a4) respectively. A limiting groove (21) is provided on the outer wall of the connecting pipe (2), and a second yarn guide tube (8) that can move along the axial direction is provided inside the connecting pipe (2). The first yarn guide tube (5) and the second yarn guide tube (8) are coaxial and opposite to each other. When the movable sleeve (6) slides to the point where its retraction groove (62) is opposite to the ball cavity (1a3), the ball (4) can be abutted by the outer wall of the connecting tube (2) and enter the retraction groove (62). When the connecting tube (2) is inserted into the connecting cavity (1a2) until the ball cavity (1a3) is opposite to the limiting groove (21), the ball (4) can be abutted by the inner wall of the movable sleeve (6) and embedded in the limiting groove (21).
2. The spindle rod connection structure for a roving spindle according to claim 1, characterized in that, The accommodating cavity (1a1) and the connecting tube (2) are provided with stepped surfaces at opposite ends and conical surfaces at adjacent ends. The first yarn guide tube (5) and the second yarn guide tube (8) each have a conical head on opposite sides, and the outer wall of the conical head can fit against the conical surface. The accommodating cavity (1a1) and the connecting tube (2) are respectively provided with a first spring (9) and a second spring (10) that abut against the stepped surface. The first spring (9) and the second spring (10) respectively prevent the first yarn guide tube (5) and the second yarn guide tube (8) from getting close to each other.
3. The spindle rod connection structure for a roving spindle according to claim 2, characterized in that, The conical head of the first yarn guide tube (5) is connected to the first spring (9) via a first connecting frame (11), and the conical head of the second yarn guide tube (8) is connected to the second spring (10) via a second connecting frame (12).
4. The spindle rod connection structure for a roving spindle according to claim 3, characterized in that, An arc-shaped groove (1a5) is provided on the outer side of the spindle (1a) near the end. A limiting rubber ring (13) is embedded in the arc-shaped groove (1a5) to restrict the movement of the ball (4) in the groove (62).
5. The spindle rod connection structure for a roving spindle according to claim 4, characterized in that, A transition chamfer (621) is provided on the inner side of the retraction groove (62).
6. The spindle rod connection structure for a roving spindle according to claim 5, characterized in that, The conical heads of the first yarn guide tube (5) and the second yarn guide tube (8) extend to the outside of the receiving cavity (1a1) and the connecting tube (2), respectively.